| GERITOL 1806916 · TMA994532 | Vespyr Brands, Inc. | 5 Pharmaceuticals | Registered | 2018 |
| GERITEL 2340699 | Dongguan Greater Wire & Cable Co.Ltd. | 9 Electronics | Pending | 2024 |
| GREATWALL 1363743 · TMA750962 | Cofco Corporation | 33 Wine | Registered | 2009 |
| GREATWALL 1363741 · TMA750986 · design | Cofco Corporation | 33 Wine | Registered | 2009 |
| GREATWALL 1359156 · TMA453839 | North International Holding Tianjin Foodstuffs Imp. & Exp. Co. Ltd. | 29 Meat30 Coffee31 Fresh+1 | Registered | 1996 |
| GREATWALL 2309055 · design | CHINA CAS GREAT WALL TECHNOLOGY GROUP CO. LIMITED | 11 Lighting | Pending | 2024 |
| GRIDLOCK 2259136 · TMA1279296 | Off The X Inc. | 7 Machines | Registered | 2024 |
| Gratlin 2121723 · TMA1186478 | an individual | 25 Clothing | Registered | 2023 |
| GRIDLOK 2092499 · TMA1149416 | Pioneer Corp. | 20 Furniture | Registered | 2022 |
| GRITLOCK 2051943 · TMA1168053 | USA Industries, LLC | 2 Paints6 Metal7 Machines | Registered | 2023 |
| Girtlna 2044504 · TMA1147964 | Yongchun Hongtai Trading Co. Ltd. | 28 Toys | Registered | 2022 |
| GRADLE 1944647 · TMA1245723 | Gradle, Inc., a Delaware corporation | 9 Electronics41 Education42 Science | Registered | 2024 |
| GARDLOC 1823992 · TMA1037470 | Sparex Limited | 7 Machines12 Vehicles | Registered | 2019 |
| GUARDWELL 1790057 · TMA985611 · design | SAFEWELL SAFES (NINGBO) MFG. LTD | 6 Metal | Registered | 2017 |
| GUARDLINK 1773198 · TMA1013123 | Rockwell Automation, Inc. | 9 Electronics | Registered | 2019 |
| GRADLEADERS 1744104 · TMA1019758 | Gradleaders, LLC | 9 Electronics35 Advertising42 Science | Registered | 2019 |
| GREATLEADERGPS 1599954 · TMA915345 | Korn Ferry Leadership Consulting Corporation | 16 Paper35 Advertising41 Education+1 | Registered | 2015 |
| GRIDDLER 1480791 · TMA812627 | Conair LLC | 11 Lighting | Registered | 2011 |
| GRIDLOCK 1414989 · TMA806866 | P.RIOPEL INC | 6 Metal20 Furniture | Registered | 2011 |
| GUARDLOGIX 1241340 · TMA654002 | Rockwell Automation, Inc. | 9 Electronics | Registered | 2005 |
| GREATLAND 0846828 · TMA492303 | an individual | 18 Leather25 Clothing | Registered | 1998 |
| GARDOLUBE 0593891 · TMA357132 | CHEMETALL GmbH | 4 Oils | Registered | 1989 |
| GARDOLENE 0593519 · TMA359634 | CHEMETALL GmbH | 1 Chemicals | Registered | 1989 |
| GRADALL 0241762 · TMA111352 | ALAMO GROUP INC. (a Delaware corporation) | 7 Machines8 Hand9 Electronics | Registered | 1958 |
| "GUARDOL" 0216144 · UCA43512 | Phillips 66 Company | 4 Oils | Registered | 1952 |